Great questions. I don't know the answer. I'd lean towards persisting it by FQDN.
AK
On 12 Oct 2012, at 15:53, Boris Zbarsky <bzbarsky@MIT.EDU> wrote:
> On 10/12/12 5:27 AM, Antony Kennedy wrote:
>> In which case, stating that the choice should be persisted (over
>> sessions, at the very least) seems a great addition to the spec to
>> maintain clarity.
>
> The problem is persisted across what. Page? Hostname? Something else?
>
> There are some tricky heuristics to making this work sanely, which is why it hasn't happened in Firefox yet...
>
> -Boris
>